5. Does there exist a nice solution for the metric due a general potential magnetic field? I did a literature search but only found specialized solutions for Swarzschild/Kerr metric with a magnetic dipole.

I'm hoping an expert can let me know if a non-flat metric will cause a B field to satsify some other equation than Laplace. From staring at the equations for [itex]D^{\mu\nu}[/itex] and [itex]J^{\nu}[/itex] on that page, it seems that perhaps the answer is yes, but I'd like someone with more knowledge to chime in.

If B satisfies a different equation, I'd appreciate any links to solutions or further discussion

I call a NO on that one.
All animals have a nerve system which involves tiny electrical currents, and therefore tiny magnetic fields.
Can a human generate a magnetic field similar to that produced by the the supercooled magnets used by the LHC?
No, although evidence to the contrary would be very interestng.

I call a NO on that one.
All animals have a nerve system which involves tiny electrical currents, and therefore tiny magnetic fields.
Can a human generate a magnetic field similar to that produced by the the supercooled magnets used by the LHC?
No, although evidence to the contrary would be very interestng.